So my boobs usually hurt about a week before my period. Like hurt a lot. I'm a stomach sleeper so it's very hard. They get so sore and swollen I can barely touch them. So they shouldn't hurt until about now now bc my period isn't due until the 18th. They started hurting at the end of my fertility window and they are killing me!!!!!! So around the 3 or so. We had sex every day this fertile window. This is month 6. My cycle is normally 25-27 days. They are big and swollen. It has lessened some as the days have gone on and them I got lower left abdominal pain and now lower back pain. I'm not due for a week so I now its to3 soon to test but why did my boobs hurt early? ?